Porto to St Etienne flights

Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Porto to St Etienne is €128 with Air Algerie (checked on 25 Oct 2026).

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Lowest observed

€128

Average observed

€220

Cheapest month

December 2026

Last checked

2 Nov 2026

Observed fares. Prices may change.

Your next trip, last seen at €128

Lowest observed

15 Dec 2026

Air Algerie · 3 stops · One way

Cheapest observed day · Last checked: 25 Oct 2026

Departure

13:05

When to fly

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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.

One-way fare

One-way fare · No data: click and we will search

Lowest observed: €128, departing 15 Dec 2026 (Last checked: 25 Oct 2026)One-way fareCheck live prices for this route
Airlines seen: Ryanair, Air Algerie, ASL Airlines France, Vueling
Non-stop: Yes

Short answer

Routavio has seen Air Algerie fares from Porto to St Etienne. The lowest fare Routavio's own searches returned is €128, seen on 25 Oct 2026. The average across the fares we caught is €220. December 2026 is the cheapest month in our observations, at €128. These are prices Routavio's searches returned on the dates shown, not quotes; run a live search for today's fare.

Porto → St EtienneTue 15 Dec 2026 · €128Last checked: 25 Oct 2026

About this route

Explore the fares we observed from Porto to St Etienne. Prices move often, so pick your dates to see the latest options.

Route distance: 1,154 km

Route-level information; individual journeys vary.
Published schedules report non-stop service with Ryanair. Check current timetables.

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Observed, not guaranteed

Every price is a fare we actually saw, and it may change at any time.

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How our prices work

Price alert

Price alert for Porto → St Etienne

If the observed fare for this date drops, we will email you. At most one message a day.

Airport to city: straight-line distance

Porto Airport (OPO) → Porto, city gazetteer reference point (41.1579, -8.6291): ≈ 11 km.

Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.

Frequently asked

How much is a flight from Porto to St Etienne?

The lowest fare Routavio has observed is €128, found on 25 Oct 2026. Prices move, so read it as a floor rather than a quote.

When is the cheapest month to fly from Porto to St Etienne?

In our observations December 2026 is the cheapest month so far, at €128.

Are there direct flights from Porto to St Etienne?

Yes. Published schedules report non-stop flights on this route with Ryanair.

Which airlines fly from Porto to St Etienne?

Routavio has seen these carriers on the route: Ryanair, Air Algerie, ASL Airlines France, Vueling.

How long does the flight from Porto to St Etienne take?

Across the 5 fares Routavio observed, the average journey time is 30h 12m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.

How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio